Or a world of the DC Multiverse, based on medieval fantasy like "Lord of the Rings" or "Dungeons & Dragons RPG" with Medieval fantasy versions of : Superman , Captain Marvel , Wonder Woman , Aquaman , Flash , Green Lantern , Captain Atom , Firestorm , Batman , Doctor Fate , Zatanna , The Atom etc adapted to a magical medieval fantasy world with Warriors and Barbarians powerful fighters, Clerics full of faith and users of divine magic from the Gods,Paladins wearing shiny armor full of courage,Wizards and Sorceres users of arcane magic and masters in the secrets and mysteries of magic , Monks masters in unarmed combat and hand-to-hand fighting techniques,Druids harmonious with nature, Rangers masters in following clues and finding enemies in wild territories,Bards who sing songs to inspire their comrades during battles and cast spells through the lyrics of their songs,Rogues shrewd wallets, disarm traps, stealthily attack whose greatest power is in cunning,Elves and Half-Elves proud,Dwarves grumpy,Gnomes ingenious inventive Masters,Halflings / Hobbits crafty and all the innumerable races of magical medieval fantasy worlds in a version f Earth of Multiverse DC that would be a medieval fantasy world comparable to Tolkien's Middle-Earth the Narnia of The Chronicles of Narnia to Reign of Dungeons & Dragons old cartoon series of 80's , to the world of Azeroth of World of Warcraft video game series etc Like this :

Superman the Paladin

Shazam the Cleric

Aquaman the Triton

Wonder Woman the Amazon

Green Lantern the Sorcerer 

Batman the Dark Knight 

Doctor Fate the Mage

Cyborg the Half-Golem

Flash the Ranger

Catwoman the Rogue